When your operation is dealing with aluminum welding, it can seem as though there's a whole new world of issues to troubleshoot. Porosity, oxidation, weld cracking, wire burn-backs and many more issues tend to plague production lines around the world. One common concern is whether a push-pull gun or a push gun works best when welding aluminum. In this piece, we'll take a solid look at what the advantages and disadvantages are of each type of gun and how to best incorporate them into your production line.